BUONASERA DAVID

PrivateCIK: 1966857
Location

NEW YORK, NY

Senior insider sale

CHIEF TECHNOLOGY OFFICER at MAGNITE, INC. — senior position signals high conviction

$791.5K

38.36K shares

What this filing means

BUONASERA DAVID plans to sell 38.36K shares of MAGNITE, INC. valued at approximately $791.5K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderBUONASERA DAVIDCIK 1966857
IssuerMAGNITE, INC.CIK 1595974
Officer· CHIEF TECHNOLOGY OFFICER
Since Feb 2026
38.36K
Shares to sell
$791.5K
Approx. market value
1.04K
Acquired (3 months)
1
Planned
7 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock

Not Applicable

8/15/2025
1.04K
Total acquired1.04K
Planned & Completed Dispositions8
Sort

Completed

Completed

Units to sell

5.37K

Market value

$125.8K

9/1/2026
Completed

Units to sell

7.65K

Market value

$179.5K

8/6/2026
Completed

Units to sell

1.22K

Market value

$25.7K

7/7/2026
Completed

Units to sell

9.38K

Market value

$187.5K

7/1/2026
Completed

Units to sell

1.41K

Market value

$26.8K

6/17/2026
Completed

Units to sell

11.23K

Market value

$202.2K

6/16/2026
Completed

Units to sell

1.06K

Market value

$18.0K

6/15/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

1.04K

Market value

$26.1K

9/2/2026
Total

Units

38.36K

Value

$791.5K